The Numerical Solution of the Bitsadze-Samarskii Nonlocal Boundary Value Problems with the Dirichlet-Neumann Condition

Table 1

Error analysis.

Difference schemes	𝑁=𝑀=20	𝑁=𝑀=40	𝑁=𝑀=60
Difference scheme (2.5)	0.0049	0.0025	0.0012
Difference scheme (2.6)	3.7155𝑒−005	9.4107𝑒−006	2.3679𝑒−006